/*
 * File    : PRUDPPacketReplyConnect.java
 * Created : 20-Jan-2004
 * By      : parg
 * 
 * Azureus - a Java Bittorrent client
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details ( see the LICENSE file ).
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package com.aelitis.azureus.core.dht.transport.udp.impl;

/**
 * @author parg
 *
 */

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.InetSocketAddress;

import com.aelitis.azureus.core.dht.transport.DHTTransportContact;
import com.aelitis.azureus.core.dht.transport.udp.DHTTransportUDP;
import com.aelitis.azureus.core.dht.transport.udp.impl.packethandler.DHTUDPPacketNetworkHandler;

public class DHTUDPPacketReplyFindNode extends DHTUDPPacketReply {
    private DHTTransportContact[] contacts;
    private int random_id;
    private int node_status = DHTTransportUDPContactImpl.NODE_STATUS_UNKNOWN;
    private int estimated_dht_size;

    public DHTUDPPacketReplyFindNode(DHTTransportUDPImpl transport, int trans_id, long conn_id, DHTTransportContact local_contact,
            DHTTransportContact remote_contact) {
        super(transport, DHTUDPPacketHelper.ACT_REPLY_FIND_NODE, trans_id, conn_id, local_contact, remote_contact);
    }

    protected DHTUDPPacketReplyFindNode(DHTUDPPacketNetworkHandler network_handler, InetSocketAddress originator, DataInputStream is, int trans_id)

    throws IOException {
        super(network_handler, originator, is, DHTUDPPacketHelper.ACT_REPLY_FIND_NODE, trans_id);

        if (getProtocolVersion() >= DHTTransportUDP.PROTOCOL_VERSION_ANTI_SPOOF) {

            random_id = is.readInt();
        }

        if (getProtocolVersion() >= DHTTransportUDP.PROTOCOL_VERSION_XFER_STATUS) {

            node_status = is.readInt();
        }

        if (getProtocolVersion() >= DHTTransportUDP.PROTOCOL_VERSION_SIZE_ESTIMATE) {

            estimated_dht_size = is.readInt();
        }

        if (getProtocolVersion() >= DHTTransportUDP.PROTOCOL_VERSION_VIVALDI) {

            DHTUDPUtils.deserialiseVivaldi(this, is);
        }

        contacts = DHTUDPUtils.deserialiseContacts(getTransport(), is);
    }

    public void serialise(DataOutputStream os)

    throws IOException {
        super.serialise(os);

        if (getProtocolVersion() >= DHTTransportUDP.PROTOCOL_VERSION_ANTI_SPOOF) {

            os.writeInt(random_id);
        }

        if (getProtocolVersion() >= DHTTransportUDP.PROTOCOL_VERSION_XFER_STATUS) {

            os.writeInt(node_status);
        }

        if (getProtocolVersion() >= DHTTransportUDP.PROTOCOL_VERSION_SIZE_ESTIMATE) {

            os.writeInt(estimated_dht_size);
        }

        if (getProtocolVersion() >= DHTTransportUDP.PROTOCOL_VERSION_VIVALDI) {

            DHTUDPUtils.serialiseVivaldi(this, os);
        }

        DHTUDPUtils.serialiseContacts(os, contacts);
    }

    protected void setContacts(DHTTransportContact[] _contacts) {
        contacts = _contacts;
    }

    protected void setRandomID(int _random_id) {
        random_id = _random_id;
    }

    protected int getRandomID() {
        return (random_id);
    }

    protected void setNodeStatus(int ns) {
        node_status = ns;
    }

    protected int getNodeStatus() {
        return (node_status);
    }

    protected void setEstimatedDHTSize(int s) {
        estimated_dht_size = s;
    }

    protected int getEstimatedDHTSize() {
        return (estimated_dht_size);
    }

    protected DHTTransportContact[] getContacts() {
        return (contacts);
    }

    public String getString() {
        return (super.getString() + ",contacts=" + (contacts == null ? "null" : ("" + contacts.length)));
    }
}
